Mold for ice-cream-cone machines.



INVENTOR Walk?" MQL mzmn/ Patented July 10, 1917.

W. McLAREN. MOLD FOR ICE CREAM CONE MACHINES. APPLICATION manAPR-3.1917.

BY mm Vi al? w ATTORNEYS,

WALTER MOLAREN,

OF DAYTON, OHIO.

To all whom it may concern:

Be it known that I, WALTER MCLAREN, residing at Dayton, in the county ofMontgomery and State of Ohio, have invented certain new and usefulImprovements in Molds for Ice-Cream-Cone Machines, of which thefollowing is a specification.

My invention relates to certain new and useful improvements in moldswhich have been especially adapted for use in connection with ice creamcone machines of the automatic Bruckman type. In machines of this type,the molding devices consist of a pair of separable female mold sectionscontaining the coniform mold cavities which cooperate with cores thatare .mounted on a core carrier or bar. In operation, the core carrier israised to lift the cores out of the molds, the core carrier in theBruckman machine being mounted for pivotal movement on a horizontal axisin the plane of parting of the female molds while the female molds openlaterally and are carried on arms that are pivoted on a vertical axis toopen somewhat in a scissors fashion.

Some difficulty has been experienced in getting the cores to centerproperly, due not only to the misalinement of the core in entering themold cavity, but also due, at times, to the excess batter which formsheads and tends to force the core out of alinement. In other words, thecores are pressed downwardly from the core bar by springs which allowthe cores to yield upwardly to permit escape of steam, or to allow forunevenness in the adjustment of the cores on the core bar; it notinfrequently happens that when the cores are descending into the moldcavities in which there is batter, the core heads will not engageproperly with the molds; sometimes they will locate themselves more toone side than the other and thus fail to aline properly so that the axisof the core and the axis of the female mold cavity will not coincide.This causes the baking of an uneven product, i. e.one side of the coneis thin and the other side thick, and in extracting the cones from themolds they will frequently be broken out at the thin side.

Unless the cone is perfectly made, it is not as desirable a product asotherwise and my present invention therefore especially has for itsobject to provide a mold construction in which the cones are moreperfectly formed than heretof re and in which means are provided forpositively centering Specification of Letters Patent.

Patented July MD, 191?.

Application filed Apri13, 1917. Serial No. 159,479.

the core in the female mold cavity and to close the mouth of the cavityat the core head, save at such predetermined places as are providedthrough which excess batter and steam or vapor may escape.

Another object of my invention is to provide a mold construction inwhich the core head will be recessed into the female molds and act as acentering guide for the core and further the invention has for itsobject to provide means to permit the escape of steam formed in thebaking act and expelled as the dough expands to completely fill the moldcavity, thesteams escapeways being also provided for the purpose ofconfining, as much as possible, the batter escape to these places, sothat when the cone is released from the mold it will usually be formedwithout a ring-like head of excess batter, but if any such ring-likehead is formed, it will be uniformly thin and can be easily trimmed offwhen the cone passes through the trimmer.

The invention also includes those novel details of construction,combination and arrangementof parts, all of which will be first fullydescribed, then be specifically pointed out in the appended claims, andillustrated in the accompanying drawings, in which Figure 1 is ahorizontal section on the line 1-1 of Fig. 3.

Fig. 2 is a top plan view of a portion of a female mold with the coreremoved.

Fig. 3 is a cross section on the line 33 of Fig. 2.

Fig. 4 is a detail elevation of a portion of one of the half moldmembers looking at the same from the parting plane.

Fig. 5 is a view similar to Fig. 2 of a modified formation of theinvention.

Fig. 6 is a detail section illustrating the rise of the core when agreat excess of batter is used and oozes out around the entire mouth ofthe cone to form an annular excess batter head and also showing the corewith an annular flange for closing the steam escapeways when the partsare closed down normally.

Fig. 7 is a detail plan view of a cone on a reduced scale showing thesame as it looks after being discharged from the mold and illustratingthe protruding knobs of excess batter which are formed under properoperating conditions.

Fig. 8 is a View similar to Fig. 7 illustrating the cone as it looks inthe event that a slight excess amount of batter is put into the mold,enough to form' a thin fin around the mouth of the cone between theknobs.

In the drawings, in which like numerals and letters of referenceindicate like parts in all of the figures, 1 represents the halfmoldmembers of the female mold section which include the half dies orconiform cavities 2 which are usually provided with filigree work, saveat their upper ends, where they are counterbored at 3 to form the mouthstrengthening bead or additional thickness of the cone. In my inventionalso the molds are counterbored rather deeply, as at 4, to receive thevertical annular wall or surface 8 of the core head which snugly fitsthe counterbore 1 when the parts are assembled, see Fig. 3.

5 designates steam escapeways which are recessed into the female moldsand extend down with their lower surfaces 6 below the plane of the seatsurface'17 of the counterbore 4 so as to always effect communicationwith the interior space 3 of the molds when the core 7 is in place, seeFig. 3.

The core 7 is of the usual construction, save that it is provided with ahead to fill the counterbore 4, the head including the vertical annularsurface 8 and the horizontal bottom surface 8 which rests on the surface17, the corner being beveled as at 9 to aid in the ready entering of thecore 7 into the mold and also to provide an annular steam escape space10 to effect co1nmunication between the several steam escapeways 5 andthus equalize the pressure of escaping steam as much as possible. Thecore is also usually provided with a flange 11 to fit over the u perface of the mold 1 and this flange may be of a diameter such as toexpose a portion of the escapeways 5, see Fig. 1, or it may be of adiameter to close such escapeways when the core is in position in themold, see Fig. 6. When the form shown in Figs. 1 and 3 is employed thesteam will always have a free escape to atmosphere without raising thecore in the mold but where the flange 11 is of a diameter suflicient toclose the escapeways 5 the core will have to rise slowly to open sameand permit escape of steam (see Fig. 6) in which event if a considerableexcess of batter is used it will flow onto the surface 17 between thesurfaces 8 .17 and form a thin ring-like film or head around the coneand also form the protuberance at the steam escape pockets 15.

In Figs. 6 and 7, 12 designates the batter forming the cone proper, and13 designates the mouth of the cone which is of thicker material forstrengthening purposes. That portion of the batter which forms the thinannular ring-like head is indicated by 14 and that portion which formsthe vertical ex- (.55

knobs 14-15 (see Fig. 7) it will be noticed that there is very littlewaste produced and the trimming knife generally has to out only at theplaces where the knobs are located, thus leaving the mouth of the conewith a smoother finish than would be the case were it necessary to trimoff an entire annular ring-like head.

When the batter is somewhat in excess of the amount that can be takencare of by the vents, a thin fin forms around the mouth of the conebetween the knobs or protuberances, due to a slight rising of the coreon expansion of the batter, which permits the batter to ooze in a thinfin-like sheet between the surfaces 8 and 17 (see Fig. 8). When theideal condition exists (and it is the ideal which I desire to approachas closely as possible) the cones come out as indicated in Fig. 7

I find that by the use of my invention a larger number of cones pergiven amount of batter can be manufactured than has been the caseheretofore under the old prac* tice, where the excess batter formed aconsiderable head that had to be removed before the ,cone' was completedas a commercial article and thus the expense of manufacturing the conesis accordingly reduced.

From the foregoing description, taken in connection with theaccompanying draw ings, it is thought thecomplete construction,operation and advantages of my invention will be readily understood bythose skilled in the art.

What I claim is 1. A pair of separable female mold sec tions each havinga half cone cavity and provided with a counterbore at the top, saidcounterbore having an annular wall, a core adapted to enter said cavityand partially fill the same, said core having a head provided with anannular surface to snugly fit said counterbore, said female moldsections having steam escape and overflow batterconcentrating passagesregistering with said counterbore. I

g 2. A pair of separable female mold sections each having a half conecavity and provided with a counterbore at the top, said counterborehaving an annular wall, a core adapted to enter said cavity andpartially fill'the same, said core having a head provided with anannular surface to snugly fit said counterbore, said female moldsections having steam escape passages registering with said counterboreand extending below the same to register with the cone cavity.

3. A pair of separable female mold sections each having a half conecavity and provided with a counterbore at the top, said counterborehaving an annular wall, a core adapted to enter said cavity andpartially fill the same, said'core having a head provided with anannular surface to snugly fit said counterbore, said female moldsections having steam escape and overflow batterconcentrating passagesregistering with said sages.

4. A pair of separable female mold sections each having a halfconecavity and provided .witlf a counterbore at the top, saidcounterbore having an annular wall, a core adapted to enter' said cavityand partially fill the same, said core having a head provided with, anannular surface to snugly fit said'counterbore, said female moldsections having steam escape passages registering with said counterboreand extending below the same to register with the cone cavity,

said core having an annular flange extend-' ing over said steam escapeassages. 5. A pair of separable emale mold sectionseach having a. halfcon'e cavity, and having a counterbore provided with a vertical annularwall above the cone cavity, a core adapted to enter and partially fillsaid cone cavity and including a head extended above the cone cavity tofit within said counterbore and substantially close the cone cavity andcenter the core, said female mold sections having steam escape pockets40 registeringwith said counterbore and with said female mold cavity.

6. A pair of separable female mold sections each having a half conecavity, and

having a counterbore provided with a. ver-v tical annular Wall above thecone cavity, a

' core adapted to enter and partially fill said cone cavity andincluding a head extended above the cone cavity to fit Within saidcounterbore and substantially close the cone cavity and center the core,said female mold sections having steam escape ports registering withsaid counterbore and with said female mold cavity, said core having anannular flange adapted to extend over the steam escape ports.

7.,In a baking apparatus, the combinatl0I1 Witl1 the female mold havinga mold cavity and a counterbore at the outer end of said mold cavityregistering with said mold cavity, a core member adapted to enter saidmold cavity and partially fill the same, said core member havin anenlarged head provided with an, annu ar wall to enter and fit saidcounterbore to substantially close the outer end of the mold cavity,said moldhaving steam escape recesses registering with the counterboreand with the mold cavity beneath the core head.

8. In a baking-apparatus, the combination with the female mold having amold v cavity and a counterbore at the outer end of counterbore, sa1dcore having an annular 15 flange extending over said steam escapepassaid mold cavity registering'with said mold cavity, a core memberadapted to enter said mold cavity and partially fill the same, said corememberhaving an enlarged head provided with an annular wall to enter andfit said counterbore to substantially close the outer end of the moldcavity, said mold having steam escape recesses registering with thecounterbore and with the mold cavity beneath the core head, said corehead having its corner beveled to facilitate entrance into the'counterbore and having an annular stop flange designed to rest on thetop of the female mold When the core is in place.

9. In a baking apparatus, the combination with the female mold having amold cavity and a counterbore at the outer end of said mold cavityregistering with said mold cavity, a core member adapted to enter saidso mold cavity and partially fill the same, said core member having anenlarged head provided with an annular wall to enter and fit saidcounterbore to substantially close the outerend of the mold cavity, andsteam escape vents for permitting the escape of steam from the mold.cavity without displacing the core.

10. In a baking apparatus, the combination with the female mold having amold. 1063 cavity and a counterbore at the outer end of said cavity reistering WlthSELld mold cavity, a core mem ber adapted to enter saidmold cavity and partially fill the same, said core member having anenlarged head providedwith an annular wall to enter and fit suchcounterbore and substantially close the outer end of said mold cavityand steam escape. vents in the annular Wall of the counterbore forpermitting the escape of no steam from the mold cavity withoutdisplacement of the core, said vents also functioning to concentrate theescaping excess batter at definite predetermined locations.

WALTER MQLAREN.

